<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="新闻标题" prop="title">
        <el-input v-model="queryParams.title" placeholder="请输入新闻标题" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="信息来源" prop="source">
        <el-input v-model="queryParams.source" placeholder="请输入信息来源" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="是否置顶" prop="isTop">
        <el-select v-model="queryParams.isTop" class="w-40" placeholder="请选择是否置顶" clearable>
          <el-option v-for="dict in yesOrNo" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="发表状态" prop="status">
        <el-select v-model="queryParams.status" class="w-40" placeholder="请选择发表状态" clearable>
          <el-option v-for="dict in published_status" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item label="发布时间" style="width: 308px">
        <el-date-picker v-model="daterangePublishTime" value-format="YYYY-MM-DD" type="daterange" range-separator="-"
          start-placeholder="开始日期" end-placeholder="结束日期"></el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd" v-hasPermi="['manage:news:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['manage:news:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['manage:news:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['manage:news:export']">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" border :data="newsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="主键ID" align="center" prop="id" /> -->
      <el-table-column label="新闻标题" show-overflow-tooltip align="center" prop="title" />
      <!-- <el-table-column label="新闻内容" show-overflow-tooltip width="300" align="center" show- prop="content" /> -->
      <el-table-column label="信息来源" align="center" prop="source" />
      <el-table-column label="发表人" align="center" prop="author" />
      <el-table-column label="封面图URL" align="center" prop="coverImage" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.coverImage" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="是否置顶" align="center" prop="isTop">
        <template #default="scope">
          <dict-tag :options="yesOrNo" :value="scope.row.isTop" />
        </template>
      </el-table-column>
      <el-table-column label="置顶权重" align="center" prop="topWeight" />
      <el-table-column label="发表状态" align="center" prop="status">
        <template #default="scope">
          <dict-tag :options="published_status" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="发布时间" align="center" prop="publishTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.publishTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="浏览次数" align="center" prop="viewCount" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" width="140" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['manage:news:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['manage:news:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改news对话框 -->
    <el-dialog :title="title" v-model="open" width="800px" append-to-body>
      <el-form ref="newsRef" :model="form" :rules="rules" label-width="80px">
        <el-row :gutter="10" class="mb8">
          <el-col :span="12">
            <el-form-item label="新闻标题" prop="title">
              <el-input v-model="form.title" placeholder="请输入新闻标题" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="信息来源" prop="source">
              <el-input v-model="form.source" style="width: 100%;" placeholder="请输入信息来源" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="内容描述" prop="description">
              <el-input :autosize="{ minRows: 2, maxRows: 6 }" type="textarea" v-model="form.description"
                placeholder="请输入内容描述" />
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="发表人" prop="author">
              <el-input v-model="form.author" placeholder="请输入发表人" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="是否置顶" prop="isTop">
              <el-select v-model="form.isTop" placeholder="请选择是否置顶">
                <el-option v-for="dict in yesOrNo" :key="dict.value" :label="dict.label"
                  :value="parseInt(dict.value)"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="封面图" prop="coverImage">
              <image-upload v-model="form.coverImage" />
            </el-form-item>
          </el-col>


          <el-col :span="12">
            <el-form-item label="置顶权重" prop="topWeight">
              <el-input v-model="form.topWeight" placeholder="请输入置顶权重" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="发表状态" prop="status">
              <el-select v-model="form.status" placeholder="请选择发表状态">
                <el-option v-for="dict in published_status" :key="dict.value" :label="dict.label"
                  :value="parseInt(dict.value)"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="发布时间" prop="publishTime">
              <el-date-picker clearable v-model="form.publishTime" type="date" style="width: 100%;"
                value-format="YYYY-MM-DD" placeholder="请选择发布时间">
              </el-date-picker>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="备注" prop="remark">
              <el-input v-model="form.remark" placeholder="请输入" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="新闻内容">
              <editor v-model="form.content" :min-height="192" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="News">
import { listNews, getNews, delNews, addNews, updateNews } from "@/api/manage/news"

const { proxy } = getCurrentInstance()
const { published_status, y_n, yesOrNo } = proxy.useDict('published_status', 'y_n', 'yesOrNo')

const newsList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")
const daterangePublishTime = ref([])

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    title: null,
    source: null,
    isTop: null,
    status: null,
    publishTime: null,
  },
  rules: {
    title: [
      { required: true, message: "新闻标题不能为空", trigger: "blur" }
    ],
    content: [
      { required: true, message: "新闻内容不能为空", trigger: "blur" }
    ],
  }
})

const { queryParams, form, rules } = toRefs(data)

/** 查询news列表 */
function getList() {
  loading.value = true

  if (null != daterangePublishTime && '' != daterangePublishTime) {
    queryParams.value["beginPublishTime"] = daterangePublishTime.value[0]
    queryParams.value["endPublishTime"] = daterangePublishTime.value[1]
  }
  listNews(queryParams.value).then(response => {
    newsList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    title: null,
    content: null,
    description: null,
    source: null,
    author: null,
    coverImage: null,
    isTop: null,
    topWeight: null,
    status: null,
    createBy: null,
    updateBy: null,
    publishTime: null,
    createTime: null,
    updateTime: null,
    viewCount: null,
    remark: null
  }
  proxy.resetForm("newsRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  daterangePublishTime.value = []
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  open.value = true
  title.value = "添加新闻内容"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _id = row.id || ids.value
  getNews(_id).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改新闻内容"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["newsRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateNews(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addNews(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm('是否确认删除news编号为"' + _ids + '"的数据项？').then(function () {
    return delNews(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => { })
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('manage/news/export', {
    ...queryParams.value
  }, `news_${new Date().getTime()}.xlsx`)
}

getList()
</script>
